Milo500 Posted June 4, 2016 Share Posted June 4, 2016 Hi guys I am going from a single turbo to a bigger single turbo with the addition of water lines (the turbonetics tnx I ordered just happens to have it) My question is, or worry is that the water lines that I am using might either be both feeds or both returns, and am asking if someone could 100% tell me that the lines I am using is one feed and one return The feed? I am using is from the stock twins, which is a rubber hose about 10mm dia coming from the water pump. The return? I am using is coming from the collection of rubber pipes at the very back of the engine. I believe the rubber pipe was blanked off when converted to single. If someone could give me a definately answer then I would be very appreciative Cheers Quote Link to comment Share on other sites More sharing options...
Scooter Posted June 4, 2016 Share Posted June 4, 2016 Any help? http://www.mkivsupra.net/vbb/showthread.php?287360-Water-pipes-for-single-turbo&highlight=Single+turbo+water+pipe Quote Link to comment Share on other sites More sharing options...
Milo500 Posted June 4, 2016 Author Share Posted June 4, 2016 Any help? http://www.mkivsupra.net/vbb/showthread.php?287360-Water-pipes-for-single-turbo&highlight=Single+turbo+water+pipe Hmm not really bud, have seen it, the only thing it shows similar to my setup is that he has blocked off the pipe that I am using for my return :/. Still not sure Quote Link to comment Share on other sites More sharing options...
Scooter Posted June 4, 2016 Share Posted June 4, 2016 this shows the standard coolant flow so should help? http://www.mkivsupra.net/vbb/showthread.php?316745-2JZ-GTE-Coolant-Flow-Path&highlight=Coolant+flow+diagram Quote Link to comment Share on other sites More sharing options...
Andy Blyth Posted June 4, 2016 Share Posted June 4, 2016 Hi guys I am going from a single turbo to a bigger single turbo with the addition of water lines (the turbonetics tnx I ordered just happens to have it) My question is, or worry is that the water lines that I am using might either be both feeds or both returns, and am asking if someone could 100% tell me that the lines I am using is one feed and one return The feed? I am using is from the stock twins, which is a rubber hose about 10mm dia coming from the water pump. The return? I am using is coming from the collection of rubber pipes at the very back of the engine. I believe the rubber pipe was blanked off when converted to single. If someone could give me a definately answer then I would be very appreciative Cheers They are both returns The feeds are the two fittings that are close together on the water elbow that feeds the top of the radiator: Quote Link to comment Share on other sites More sharing options...
Milo500 Posted June 4, 2016 Author Share Posted June 4, 2016 (edited) They are both returns The feeds are the two fittings that are close together on the water elbow that feeds the top of the radiator: http://www.mkivsupra.net/vbb/attachment.php?attachmentid=212354&d=1465042438 [ATTACH=CONFIG]212354[/ATTACH] Ahh right I have plumbed it all in to the two bottom ones and the lines are getting hot as if there's water going to them, hmm... On the diagram it says the top rubber hose to the rad is flowing from the engine to the rad...how is that not a return? And the hose at the front at the bottom is coming from the bottom hose that says it's coming into the engine (also attached to the water pump) so how can that be a return and not a feed? Have had a long close look at the diagram, i can now see that the feed is the elbow...... But still don"t understand why the feed for the water cooling for the turbos is after it has been round the engine (so the water is hot) before it goes into the turbos??? Is that not very odd? Correct me if I'm wrong, thought it would be after it has been through the rad? What is the size/threads sizes for the elbow so I can get a adaptor fitting made up so I don't have to drain all the coolant that I just put in today haha :') Edited June 4, 2016 by Milo500 (see edit history) Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted June 4, 2016 Share Posted June 4, 2016 The water pump "sucks" from the thermostat housing pipe stub, from the bottom of the radiator, and "blows" from the top elbow into the radiator top tank, so the pressure differential to make water flow around the turbo is met by Andy's diagram. Quote Link to comment Share on other sites More sharing options...
Andy Blyth Posted June 5, 2016 Share Posted June 5, 2016 But still don"t understand why the feed for the water cooling for the turbos is after it has been round the engine (so the water is hot) before it goes into the turbos??? Is that not very odd? Correct me if I'm wrong, thought it would be after it has been through the rad? It's all relative. Even 100C+ water from the outlet of the engine will still seem cold to the turbos that have 800-1000C exhaust gas on their other side. Quote Link to comment Share on other sites More sharing options...
Milo500 Posted June 5, 2016 Author Share Posted June 5, 2016 Cheers guys has helped alot :) I now understand :) Glad I asked now, otherwise i'de be driving around with two returns haha Quote Link to comment Share on other sites More sharing options...
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